Features: 100% Brand new,High quality with excellent customer service The cross self-tapping screws does not need to be used with the nuts The Tooth thread is self-tapping, and the triangular tooth self-extrusion screw at the end point is formed. When it is screwed into the hole of plastic metal,the wood or thin iron material, the internal thread is formed. Extrusion and the reliable locking thread connection is formed in the hole. 250Pcs Mix Electronic Small Screws Assorted kit list: TypeSizeQuantity KM ScrewM2*4 25pcs KM ScrewM2*5 25pcs KM ScrewM2*6 25pcs KM ScrewM2*8 25pcs KM ScrewM2.5*4 25pcs KM ScrewM2.5*5 25pcs KM ScrewM2.5*6 25pcs KM ScrewM2.5*8 25pcs KM ScrewM3*4 25pcs KM ScrewM3*5 25pcs 500Pcs Mix Electronic Small Screws Assorted kit list: TypeSizeQuantity KM ScrewM2*4 50pcs KM ScrewM2*5 50pcs KM ScrewM2*6 50pcs KM ScrewM2*8 50pcs KM ScrewM2.5*4 50pcs KM ScrewM2.5*5 50pcs KM ScrewM2.5*6 50pcs KM ScrewM2.5*8 50pcs KM ScrewM3*4 50pcs KM ScrewM3*5 50pcs